Sudoku is a mentally enriching game that has been played for generations. It invokes logic and reasoning into the player making the more aware in recognizing patterns and solving problems. 300 6 x 6 Sudoku for Kids - With Solutions. Sudoku's will bring the kids hours of fun and entertainment all while improving their memory, critical thinking, logic and problem solving skills. Children who solve Sudokus can better focus and have a higher problem-solving ability. The Sudoku puzzle book is the perfect gift for kid who loves brain jogging and mental excercises. It makes a great gift and birthday present.